66100363 has 6 divisors (see below), whose sum is σ = 76892316. Its totient is φ = 56657412.

The previous prime is 66100351. The next prime is 66100429. The reversal of 66100363 is 36300166.

It is a de Polignac number, because none of the positive numbers 2^k-66100363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66100303) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 674445 + ... + 674542.

It is an arithmetic number, because the mean of its divisors is an integer number (12815386).

Almost surely, 2^66100363 is an apocalyptic number.

66100363 is a deficient number, since it is larger than the sum of its proper divisors (10791953).

66100363 is a wasteful number, since it uses less digits than its factorization.

66100363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1349001 (or 1348994 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 25.

The square root of 66100363 is about 8130.2129738402. The cubic root of 66100363 is about 404.3287422431.

The spelling of 66100363 in words is "sixty-six million, one hundred thousand, three hundred sixty-three".